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Using an android device as a blutetooth "headset"

Hi!
I have a question regarding android devices in general. The main question is if this idea is possible with the right app or if you need special hardware?
I want to develop an app that let's you use any android device as a bluetooth headset connected to a cellphone. The setup is primarily for a car installation but other uses are also possible. This is how I want it to work:
I install an Android MID in my car and connect it to the stereo using a cable or bluetooth (depending on whats possible) to get the sound from the mid to the cars speakers. On this MID I'll have google maps and Spotify (or pandora) for navigation and music. So far this is nothing special, but I also want to be able to answer and make calls from a connected (bluetooth) phone (like on many dedicated gps).
By doing this I want the driver (any driver) to be able pair his/her phone with the MID. The calls to the connected phone will be displayed on the MID so their phones can stay in their pockets.
1. Is it possible to answer a telephone call to a cellphone by using an "answer" button on a bluetooth connected android device? Example "My Desire is connected by bluetooth to the android MID. When an external call is made to the Desire I can anser it from the MID".
2. If the answer to no 1 is Yes, is it at the same time possible to share internet via the same bluetooth connection?
Anyone have any idea if this is possible with the right app or if it need special hardware?
Sorry for bad english and long question..
- A

Bathyon said:
Hi!
I have a question regarding android devices in general. The main question is if this idea is possible with the right app or if you need special hardware?
I want to develop an app that let's you use any android device as a bluetooth headset connected to a cellphone. The setup is primarily for a car installation but other uses are also possible. This is how I want it to work:
I install an Android MID in my car and connect it to the stereo using a cable or bluetooth (depending on whats possible) to get the sound from the mid to the cars speakers. On this MID I'll have google maps and Spotify (or pandora) for navigation and music. So far this is nothing special, but I also want to be able to answer and make calls from a connected (bluetooth) phone (like on many dedicated gps).
By doing this I want the driver (any driver) to be able pair his/her phone with the MID. The calls to the connected phone will be displayed on the MID so their phones can stay in their pockets.
1. Is it possible to answer a telephone call to a cellphone by using an "answer" button on a bluetooth connected android device? Example "My Desire is connected by bluetooth to the android MID. When an external call is made to the Desire I can anser it from the MID".
2. If the answer to no 1 is Yes, is it at the same time possible to share internet via the same bluetooth connection?
Anyone have any idea if this is possible with the right app or if it need special hardware?
Sorry for bad english and long question..
- A
Click to expand...
Click to collapse
With the right app, sure. Not sure if you can do it over bluetooth tho, maybe get a SIM for the MID and have your phone forward calls to it while your in the car. But i bet someone could figure out the bluetooth thing.

First of all, there is a problem connecting to the phone wifi due to it being an "ad -hoc" network. But the phone through the tablet is a great idea and some of us are working with such a prototype called "FLEX" it will be a small unlocked cell phone device that connects via BT to the tablet and handles the phone function for the tablet as you have described. Send me a pm if you would like more info.

sent from divested Alltel hero help Root
He's talking about Bluetooth not WiFi

allus_drummer said:
sent from divested Alltel hero help Root
He's talking about Bluetooth not WiFi
Click to expand...
Click to collapse
I know he is talking about Bluetooth... but he also mentioned wanting to connect to 3g of the phone for data I believe.

I've actually had this idea as well! I don't know much about bluetooth programming, but there should be some way to spoof the phone bluetooth device ID or whatever to make the other device believe it's talking to a bt headset. I'm going to guess it might require root.
If you do decide to start coding something like this, let me know how i can help (ie, testing).
cheers,
q
Sent from my Nexus One

Thanks for all the answers. I don't think I'm able to program this myself but was interested in if the concept was possible. If it is I sure hope someone creates it. I would pay good money for a solution like that and I think others would to.
If you come across more information regarding projects in this area please let me know.
Thanks again.

[Q] [q] how to phone thru blutooth connection ?

hi
i would like to use my asus transformer as a hand free bluetooth handset
i paired my tablet with my phone, but it always said 'paired, but not connected'
i can use a app to do file transfer between my phone and the TR so i know that the two can work together
i just want to receive my phone call on my transformer..
someone can help me ?
thanks

this has been a common quesiton. from what we've seen, there is an app called syncsms to get your messages. As for taking calls, you probably would need to use google voice and forward your calls to the google voice number...

thanks....

Trying to make a phone call from the head unit using google voice search through phon

I have a Volsmart Android 5.1 headunit I recently purchased. I can connect my android phone via blue tooth and use the touch screen dialer on the headunit to make a call without any issues. The issue comes if I try to use Google voice option on the headunit and say "Ok Google Call Henry". Henrys number pops up on the screen and it says calling Henry and I see the number on the page however it does not call. I am assuming the headunit is trying to use itself to make a call and not trying to go through the bluetooth connection to my phone and since the headunit itself does not have a sim card the call doesnt actually start. Anyone ever got this to work or know wht I should do to fix the issue?

i tried this before on my Joying and had the same end result as you posted. I think i read about a few people trying things on here, but I don't recall of anyone getting it done successfully.

there is a firmware for the tonghai create 2nd gen called "iq navi" that includes this feature by default. there is an intermediary app required called "bridge" or something other. It effectively links the phone's bt app with google now services of the HU.

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I'd like to buy a smartwatch, however all that meet my requirements (AMOLED, waterproof) are stand-alone versions, with SIM card slot. I've notice that most of these watches do not support full phone synchronization. I'd like my watch to have functionality like: phone camera trigger, answering phone calls, answering SMS or WhatsApp messages...
If some of you can advice me how can I achieve that by external software, or what kind of smartwatch should I buy to meet those requirements, it would be great.

None of them will be able to make or receive calls properly through Bluetooth if that is what you are asking.
There is a reason for this. Google owns the api that allows this kind of interaction with Android. They will never allow it to be used on these watches. To google, these watches go against everything they are working on with Android Wear. They also protest that it is a security issue.
So, long story short - if you want full Bluetooth interactive mode you will need a Wear watch.
Not one of these Bluetooth pairing watches you find on Aliexpress. They also are not allowed to use these api's and cannot make or receive calls over Bluetooth.
If you find one that really works (a lot of them claim to but don't) I'd be interested ?
You might look at the Ticwatch 2. Nice looking watch and is licensed by Google - kind of......
Sent from my HTC 2PS6200 using Tapatalk

Have you looked at the Imacwear M7? It might be what you're looking for.
Sent from my ONEPLUS A3000 using Tapatalk

Thanks @pablo11, however I can't say that I'm happy with what I've just read So it is not possible to implement this functionality in ROM or with the App?
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I completely don't get it! A 10$ smartwatch (like DZ-09) can answer phone calls and push notification two-way, and 100$ can't?

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Hi, I would like to replace my application to make/receive phone calls on my car stereo with Android 10. Reading this forum (and doing some tests on my car) I found that the normal dialer apps found on the Google Play Store only work for phones and that what I really need is an HFP-Client dialer, but I have no idea where to find it (hoping it is better than the one currently installed in my car stereo).
Can someone help me?
Thank you.